Saturday, December7, 2019
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Marine Weather and Tides
Kaktovik, AK

Version 3.4
NOTICE
10/9/2019 Updated the Marine Zones.
9/4/2019 Fixed the weather maps due to NOAA moving them.
7/25/2019 New feature in the Airports section gives a link to 5 minute updates for data reports.
6/2/2019. Many thanks to a user for reporting an error on one of the Edit pages. The switch to PHP 7.2 caused many pages that previously worked to quit working. I fixed many but I still depend on users to report ones I missed. Please report errors HERE or send an email to me at L-36.com. Allen

Sunrise 10:30AMSunset 2:54PM Saturday December 7, 2019 12:10 AM AKST (09:10 UTC) Moonrise 2:23PMMoonset 3:38AM Illumination 79% Phase: Waxing Gibbous; Moon at 10 days in cycle
NOTE: Some of the data on this page has not been verified and should be used with that in mind. It may and occasionally will, be wrong. The tide reports are by xtide and are NOT FOR NAVIGATION.
Marine Forecasts
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7 Day Forecast for Marine Location Near Kaktovik, AK
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location: 70.16, -145.98     debug


Area Discussion for -
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FXAK69 PAFG 062351 AFDAFG

Northern Alaska Forecast Discussion National Weather Service Fairbanks AK 251 PM AKST Fri Dec 6 2019

SYNOPSIS. A weather system moving north through the Bering Sea will bring strong winds, snow and blowing snow to areas along the west coast. We expect strong southerly gap winds to develop in the Alaska Range this evening. A strong Tanana Valley Jet is also expected to develop tonight. Cloud cover will increase early Saturday across the Interior causing temperatures to warm.

DISCUSSION. Overall the models are in decent out through the weekend. There are still some minor differences with the low that will move northwest through the Bering Sea over the next 36 hours; however, there is better agreement than this time yesterday. The models do diverge some for early next week, especially with how they handle the low moving through the Bering Sea Monday into Tuesday.

Central and Eastern Interior: Cold temperatures will persist tonight across much of the Interior. The cold temperatures will likely result in some ice fog in the Yukon Flats where the temperatures are expected to be coldest. Clouds will move in early Saturday morning. This will allow temperatures to warm up during the day tomorrow across much of the Interior. A warming trend will continue on Sunday and Monday. Southerly flow will cause temperatures to warm aloft on Saturday. This may lead to sharper inversions over some valleys. Overnight we expect southerly gap winds to pick up in the passes of the Alaska Range. We expect gusts up to 50 mph on the north side of Alaska Range passes, with the strongest winds expected Saturday afternoon. The ongoing Wind Advisory for zone 226 looks to be in good shape. Elsewhere across the Interior, easterly winds will pick up this evening. This will be especially noticeable in areas that see the Tanana Valley Jet winds, where Delta Junction could see wind gusts around 50 mph on Saturday. We opted to issue a Wind Advisory for zone 223 in anticipation of the Tanana Valley Jet winds. A front moving to the north will bring snow to areas north of Fairbanks on Sunday. A stronger wind event looks to be on tap for Monday, with some models hinting at warning level winds in the Alaska Range.

West Coast and Western Interior: A weather system moving north along the coast will bing a period of active weather to the west coast over the next 36 hours. Easterly winds will begin to pick up this evening along the coast as a front moves north. A 966 mb low will move into Bristol Bay early Saturday morning. This low will reach Nunivak Island by noon Saturday. The low will weaken as it tracks to the northwest Saturday afternoon and evening. The low is expected to pass over St. Lawrence Island Saturday night. Precipitation will reach the Yukon Delta and the lower Yukon Valley this evening, the the snowfall spreading north tonight and Saturday. Snow and blowing snow will reduce the visibility along the coast to under a mile at times on Saturday. Winter Weather Advisories are out for areas along the coast due to the expected blowing snow and strong winds. St. Lawrence Island is currently under a Winter Storm Warning. I did opt to upgrade zone 209 to a Blizzard Warning in anticipation of this event. 4 to 7 inches of snow is expected in the Yukon Delta and in the Yukon Valley. 1 to 3 inches of snow expected with this system elsewhere. The wind directions with this system are not favorable for any big rises in water levels this weekend; however minor rises of around a foot above normal high tide levels are possible on Sunday afternoon along the west coast. We will have to continue to monitor any changes in track of this system, especially if the system slows down as this could affect the water level forecast. Another area of low pressure moving through the Bering Sea on Monday. This system will bring another round of strong winds, snow and blowing snow; however, at the moment there is still some model disagreement with the exact track of the low. Thus, at the moment, there is still some uncertainty in the timing and placement of the weather associated with this system.

North Slope and Brooks Range: Easterly winds will increase overnight as the pressure gradient over the Chukchi Sea tightens up. Southerly gap winds will also develop tonight through Brooks Range passes. Areas to the west of Wainwright will see the strongest easterly winds on Saturday, with gusts up to 40 mph. This will be combined with falling snow resulting in blowing snow that will reduce the visibility to one half mile or less at times. The strongest winds will push offshore early Sunday morning. Another round of strong easterly winds are expected late Monday, with strong southerly gap winds in the Brooks Range.

Coastal Hazard Potential Days 3 and 4 . An area of low pressure moving through the Bering Sea may bring elevated water levels to St. Lawrence Island and Diomede on Monday.

AFG WATCHES/WARNINGS/ADVISORIES. Wind Advisory for AKZ223-AKZ226.

Winter Storm Warning for AKZ213.

Blizzard Warning for AKZ209.

Winter Weather Advisory for AKZ201-AKZ207-AKZ210-AKZ211-AKZ212- AKZ214-AKZ215-AKZ216.

Heavy Freezing Spray Warning for PKZ210-PKZ220-PKZ225-PKZ230.

Small Craft Advisory for PKZ220-PKZ225-PKZ230.

Gale Warning for PKZ200-PKZ210.

Brisk Wind Advisory for PKZ200-PKZ215.

DEC 19


Weather Reporting Stations
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Barter Island, Barter Island LRRS Airport, AK127 mi79 minN 010.00 miOvercast-3°F-7°F82%1013.6 hPa

Link to 5 minute data for PABA

Wind History from ABA (wind in knots)
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Tide / Current Tables for Flaxman Island, Alaska
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Flaxman Island
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Sat -- 03:28 AM AKST     0.22 feet Low Tide
Sat -- 03:37 AM AKST     Moonset
Sat -- 09:33 AM AKST     0.65 feet High Tide
Sat -- 02:21 PM AKST     Moonrise
Sat -- 04:44 PM AKST     0.17 feet Low Tide
Sat -- 10:15 PM AKST     0.51 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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Tide / Current Tables for
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Weather Map
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GEOS Local Image of Alaska    EDIT
NOTE: East coast views moved to GEOS-16. They are experimental and not well supported by NOAA so they may not be correct so be warned. This change required redoing a large amount of the GOES code. If the image you are expecting is not showing, please let me know. You may need to use the EDIT function to update your location.
Link to Loop

Other links: Northern Pacific     Contential US     Full GOES-East
Ground Weather Radar Station Pedro Dome, AK
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Disclaimer:
The information on this web site has not been checked for accuracy. It is for entertainment purposes only and should be independently verified before using for any other reason. There are five sources. 1) Documents and manuals from a variety of sources. These have not been checked for accuracy and in many cases have not even been read by anyone associated with L-36.com. I have no idea of they are useful or accurate, I leave that to the reader. 2) Articles others have written and submitted. If you have questions on these, please contact the author. 3) Articles that represent my personal opinions. These are intended to promote thought and for entertainment. These are not intended to be fact, they are my opinions. 4) Small programs that generate result presented on a web page. Like any computer program, these may and in some cases do have errors. Almost all of these also make simplifying assumptions so they are not totally accurate even if there are no errors. Please verify all results. 5) Weather information is from numerious of sources and is presented automatically. It is not checked for accuracy either by anyone at L-36.com or by the source which is typically the US Government. See the NOAA web site for their disclaimer. Finally, tide and current data on this site is from 2007 and 2008 data bases, which may contain even older data. Changes in harbors due to building or dredging change tides and currents and for that reason many of the locations presented are no longer supported by newer data bases. For example, there is very little tidal current data in newer data bases so current data is likely wrong to some extent. This data is NOT FOR NAVIGATION. See the XTide disclaimer for details. In addition, tide and current are influenced by storms, river flow, and other factors beyond the ability of any predictive program.